Cicero, N.Y. -- The Onondaga County Sheriff's Office is investigating the armed robbery of a Dollar General store in Brewerton.

View full sizeThis man robbed a Dollar General store Friday with a gun, deputies said.

A man flashed a handgun and demanded money from the cashier shortly before 9:15 p.m. Friday, close to the store's closing time, Detective John Seeber said in a press release. The man, dressed in black from head to toe, fled on foot after the robbery with an undisclosed amount of cash, Seeber said.

The man is approximately 5' 10" and 160 pounds, deputies said. He was last seen in a black hat, black sneakers, black sweatshirt and black pants, Seeber said. He is believed to be in his twenties.

Sheriff's deputies are asking anyone with information about the robbery to call 425-2111 or email sherifftips@ongov.net.